multiplier

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English

English Wikipedia has an article on:
Wikipedia

Etymology

From multiply +‎ -er.

Pronunciation

  • enPR: mŭlʹ-tĭ-plī'-ər, IPA(key): /ˈmʌltɪˌplaɪəɹ/
  • Audio (US):(file)
  • Hyphenation: mul‧ti‧pli‧er

Noun

multiplier (plural multipliers)

  1. (arithmetic) A number by which another (the multiplicand) is to be multiplied.
    In the expression 5 × 7, the "5" is a multiplier.
    The score multiplier increases each time you complete a level of the video game.
    • 1997, Christopher Alan White, The Development of Ab Initio Methods for the Treatment of Large Molecules:
      The electron number constraint unlike the idempotency constraint can be represented by a single equation. For this reason, one can properly incorporate this constraint using a Lagrange multiplier and defining an effective chemical potential
    • 2018, Lars Ljungqvist and Thomas J. Sargent, Recursive macroeconomic theory, 4th edition, MIT Press, page 129:
      After studying a recursive formulation and the associated Bellman equation, in section 5.5 we analyze a Lagrangian formulation that provides useful insights about how Lagrange multipliers on transition laws relate to gradients of value functions.
    • 2025 April 3, Felix Salmon, “How to read the White House's tariff formula”, in Axios:
      But that can be ignored, because the USTR has set ε at 4 and φ at 0.25, so when computed give an overall multiplier of 1 for the imports number. And multiplying by 1 makes no difference at all.
  2. (grammar) An adjective indicating the number of times something is to be multiplied.
    English multipliers include "double" and "triple".
  3. (economics) A ratio used to estimate total economic effect for a variety of economic activities.
    • 2024 November 3, Will Hutton, “Investment drives growth. That’s why gloomy forecasters are so wrong about the budget”, in The Guardian:
      There is a second-round effect of crowding in higher private investment as public sector contractors tool up to meet the public contracts, and then a third – as all firms adjust to the higher level of demand by raising business investment levels – of more crowding in and so-called “multiplier effects”.
  4. (physics) Any of several devices used to enhance a signal
    1. (physics, obsolete) a coil; when Johann Schweigger in 1820 invented the electric coil, increasing the electro-magnetic field from a single wire, this invention was called a multiplier.
  5. A multiplier onion.
    • 1995, Marian Coonse, Onions, Leeks and Garlic: A Handbook for Gardeners, page 52:
      Shallots are the most prolific of all the multipliers, and easier to grow than onions.

Hypernyms

Coordinate terms

Derived terms

Translations

See also

Other terms used in arithmetic operations:

Advanced hyperoperations: tetration, pentation, hexation

Anagrams

French

Etymology

Inherited from Middle French multiplier, learned remodelling of Old French molteplier, moltepleier (also monteplier), from Latin multiplicāre. By surface analysis, multi- +‎ plier.

Pronunciation

Verb

multiplier

  1. (mathematics) to multiply
  2. to multiply
  3. (reflexive) to multiply, to increase

Conjugation

Further reading